disks/loopback: Fix invalid path

Signed-off-by: Ikey Doherty <[email protected]>

Author: ikeycode

crates/disks/src/loopback.rs

@@ -48,7 +48,7 @@ impl Device {
         if matching {
             Some(Self {
                 name: name.to_owned(),
-                device: PathBuf::from(DEVFS_DIR).join(name),
+                device: PathBuf::from("/").join(DEVFS_DIR).join(name),
                 file,
                 disk,
             })